The difference is Lower Decks still manages to deliver something new with its fanwank and memberberries. It presents the nostalgia as simply an appetizer for the main course of the meal. Picard S3 was strictly a meal consisting entirely of appetizers. Or, to put it more succinctly, Lower Decks is a tasteful wank, Picard S3 was a tasteless wank.
That poster hasn't posted since February according to their profile, so don't expect a reply.
A lot to unpack there. First, it isn't Hobus anymore, Picard S1 established it was the star in the Romulus system that went nova, and second, it's been known the star would go nova since 2381, while this show is currently in 2382, I think, At the very least, the season 3 finale referenced Picard as being an Admiral, which we know from the Picard series that he was promoted specifically in response to the news the Romulus star would go nova in order to head up the evacuation effort.
So no, this is not going to be the cause of the Romulan supernova. At all.
Spelling ain't your thing, is it? Or did you actually intend to say with the finale caused Enterprise to transform into an abdomen? Odd comment if so.